GEOGCS["Cressida (2015) - Sphere / Ocentric",DATUM["Cressida (2015) - Sphere",SPHEROID["Cressida (2015) - Sphere",31000,0,AUTHORITY["IAU","70900"]],AUTHORITY["IAU","70900"]],PRIMEM["Reference Meridian",0,AUTHORITY["IAU","70900"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["IAU","70900"]]